Retention Knob: CAT40, 5/8-11 Thread, 45°Angle Radius, 0.59" Knob Dia MPN:4503093

The retention knob is a high-performance fastener used to secure rotary tool holders for accuracy and reliability while assembling parts, offering stable connections with bolted joints under pressure. Made specifically for CAT40 thread types, these retainer knobs come in 45-degree angles and 5/8 - 11 threads which provide an excellent fit in various machinery equipment. By utilizing this tool holder accessory, mechanics, engineers, technicians, and other industrial professionals who operate in sectors like automotive, aerospace, and construction can benefit from accurate bolt tensioning when assembling bolted components. Moreover, these knobs have been specifically designed to minimize loosening or movement of the bolts even in extreme conditions allowing customers' rotary tool holders to deliver consistent results every time.